Types of Force

What is a force?

• A push

• A pull

• A pull or a push

• An energy

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-5

What force is applied on the book by the table (represented by R)?

• Frictional force

• Gravitational force

• Normal force

• Weight

What force is pulling the apple down?

• Buoyant force

• Elastic force

• Gravitational force

• Weight

Tags

NGSS.MS-PS2-4

Force with which objects tend to return to its original state after being stretched or compressed by an external force.

• Elastic force

• Frictional force

• Gravitational force

• Normal force

The boat can float on sea water because of _____________________ exerted on it.

• buoyant force

• elastic force

• gravitational force

• normal force

Rina’s mother asked her to help move some items from the hall closet to the garage. One item she wanted to move was a large box of old school books. Rina tried to lift the box, but could not pick it up. What force was Rina NOT able to overcome?

• Elastic force

• Frictional force

• Gravitational force

• Normal force

Tags

NGSS.MS-PS2-4

Which force acts backwards and prevent us form slipping on a wet floor?

• Elastic force

• Frictional force

• Normal force

• Weight

The SI unit of force is __________.

• joule

• kelvin

• kilogram

• newton

What is the weight of a 15 kg object?

• 1.5 N

• 15 N

• 150 N

• 1500 N

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

The students in Mrs. Hoffman’s class played tug-of-war. The girls pulled in one direction with a force of

150 N. The boys pulled in the opposite direction with a force of 100 N. Who won the game and why did they win?

• The boys won because they applied a stronger force to the rope.

• The boys and the girls tied because they applied equal forces to the rope.

• The girls won because they applied a stronger force to the rope.

• Too much force was applied, the rope broke.

Tags

NGSS.MS-PS2-2

NGSS.MS-PS2-1